The game structures are:
Habitat Zone
Solar Collector
Gas Collector
Hydro Generator
Metal Refineries
Crystal Processor
Research Labs
Shipyards
Robotic Factories
Control Centers
Fusion Generator
Spaceports
Terraformation
Economic Centers
Nanobot Factories
Solar Satellite
Automated Factories
Antimatter Generator
Starbase Orbital Base
Orbital Research Labs
Space Gate Arcology
Orbital Shipyards
Core Crystallization
Empire Center
Artificial Greenhouse
Tele-Transport Pod
Biosphere Modification
Ore Factory